21753288

素因数分解:

$2^3\times 3^2\times {\mathrm{41}}^1\times {\mathrm{7369}}^1$

素因数の和:7422

約数の個数: 48

約数和(自身を含む): 60360300

約数和(自身を除く): 38607012

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 41, 72, 82, 123, 164, 246, 328, 369, 492, 738, 984, 1476, 2952, 7369, 14738, 22107, 29476, 44214, 58952, 66321, 88428, 132642, 176856, 265284, 302129, 530568, 604258, 906387, 1208516, 1812774, 2417032, 2719161, 3625548, 5438322, 7251096, 10876644, 21753288]

約数ペア:

[(1, 21753288), (2, 10876644), (3, 7251096), (4, 5438322), (6, 3625548), (8, 2719161), (9, 2417032), (12, 1812774), (18, 1208516), (24, 906387), (36, 604258), (41, 530568), (72, 302129), (82, 265284), (123, 176856), (164, 132642), (246, 88428), (328, 66321), (369, 58952), (492, 44214), (738, 29476), (984, 22107), (1476, 14738), (2952, 7369)]